Z-score: A z-score is a statistic that measures how far a particular observation is from the mean, in standard deviations.
Definition of Standard Normal Distribution A normal distribution is a type of distribution that occurs frequently in nature and is symmetrical about its mean. The standard normal distribution is a specific type of normal distribution that has a mean of 0 and a standard deviation of 1.
Artificial intelligence (AI) is the ability of a computer program to learn from data, recognize patterns and make decisions with minimal human intervention
A categorical variable is a data type that represents qualitative information. For example, colors (red, blue, green), genders (male, female), and religions (Catholic, Protestant, Muslim) are all categorical…
Definition of Pivot Table A pivot table is a data analysis tool that allows you to reorganize and analyze your data in a new way. With pivot tables, you can group and summarize data by column, or calculate new values based on existing data.